545 SANCTUARY DRIVE UNIT B305, LONGBOAT KEY, FL, 34228
Active185 days on marketListed Feb 4, 2026MLS #A4681142
About this home
545 SANCTUARY DRIVE UNIT B305
The Sanctuary behind the gates of the Longboat Key Club located on the beachfront is one of the most desirable addresses on Longboat Key, Florida. New to the market, this full on, direct Gulf view residence B305 in Building III at 545 Sanctuary Drive offers about 3,000 square feet with three bedrooms & 2 ½ bathrooms providing spacious and elegant beach front living. From the handsome double door entry, the gleaming marble floor dining area invites you into this luxurious condominium home. Then, you will be treated to a sparkling like diamonds daytime Gulf water views or in the evening, breathtaking sunsets in shades of purple & orange. These magnificent direct Gulf views can be enjoyed from the attractively furnished living room and the serene primary bedroom & of course from the 21-foot-long covered Gulf side terrace. This unique Carlyle floorplan also features a second, east facing private terrace which can be accessed through the guest bedroom as well as from the handsome kitchen as you enjoy morning sunrises with a cup of coffee. This beach retreat is in impeccable condition with high quality furnishings plus electric storm shutters on all sliding doors. This unit also has one under building garage space #150 plus a climate controlled storage cage. Decorated in neutral tones, this home offers coastal elegant style throughout. The cozy eat in kitchen has custom built light wood cabinetry, high end finishes, cream colored granite counter tops, tile backsplash & double ovens. The gracious, large primary bedroom suite is a tranquil retreat with Gulf water views, a large walk-in closet & a spa like En Suite bathroom with double sinks, a soaking tub & a walk-in shower. The Sanctuary offers an exclusive resort lifestyle. The beautiful beach front measures 1200 feet of pristine white sand. The resort style, heated Olympic sized swimming pool includes a 25 meter lap lane plus there is a separate outdoor whirlpool & fire pit area. Amenities include two lighted Har-Tru tennis courts & a state of the art fitness center with saunas located in the newly redecorated clubhouse which offers a fully equipped kitchen & entertainment room. On site management, 24 hour security & 18 acres of meticulously maintained grounds & beach enhance the sense of exclusivity & security.
Facts & features
The home at a glance
3
Bedrooms
2.5
Bathrooms
2,580
Sqft
0 ac
Lot size
1
Garage
1991
Year built
One
Levels
$814
Per sqft
Inside
Outside & construction
Community & fees
Utilities & systems
The numbers
What it really costs
Built from this home's actual numbers — the most recent property-tax bill on record — not generic estimates.
$14,389 /mo · 10% down Conventional, 30-yr fixed at 6%
The assumptions
Above the FHA loan limit for our service areas, so Conventional is the default. VA buyers: switch below — $0 down.
These numbers assume a generic buyer — your credit, down payment and loan program change them. Get the real quote in minutes:
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Run your own numbers
FHA isn’t available at this price — the loan would exceed the $541,287 FHA limit for our service areas.
Estimated payment
$14,389/mo
Includes estimated PMI — it drops off once you reach 20% equity. Taxes reflect the most recent bill on record; insurance is a typical-Florida estimate. Your lender’s numbers will differ. CENTURY 21 Edge partners with Florida’s best lenders.
Value check
Is the price right?
The internet’s favorite home-value number comes from a single automated model that has never seen the street, the finishes, or the view — which is why it routinely misses by tens of thousands of dollars. The edgeAI estimate combines multiple independent data sources with our team’s on-the-ground expertise in this exact market.
vs edgeAI estimate
−2%
$/sqft vs Longboat Key actives
$814 vs $682
Days on market
185 vs 94 typical
Where $814/sqft sits among the 251 Longboat Key actives
The edgeAI estimate is a starting point, not an appraisal or a broker price opinion. It is generated from public records, listing data and market modeling, and is subject to change once a licensed real estate professional personally inspects the property. Condition, floor, view and lot are not fully captured by any model — ask us for a full comparative market analysis.
Where it sits
Inside Longboat Key
Drive times from this address
Estimated driving times, typical traffic. Data © OpenStreetMap contributors.
Get to know Longboat Key. See the full Longboat Key guide →
LONGBOAT KEY 34228 — neighborhood snapshot
Population
7,512
Median age
71.5
Median income
$143,365
Median home value
$959,200
Avg household
1.8
Households w/ children
51%
For the school run
Sarasota County School District
School assignments and ratings via edgeAI — always verify with the district.
The numbers that matter
The Longboat Key market
$820K → $1.4M
Longboat Key median sold, yr/yr
93.1%
Sale-to-list ratio (12 mo)
104 of 251
Longboat Key actives have cut their price
Median sold price, Longboat Key, trailing 36 months (3-month rolling) · live MLS data.
This home is listed 234% above the LONGBOAT KEY 34228 median. See the full Longboat Key market guide →
Paper trail
This home's history
Reality check
What actually sold near 545 SANCTUARY DRIVE UNIT B305
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Mar ’26$2,350,000
545 SANCTUARY DRIVE UNIT B605 · same community
3 bd · 3 ba · 2,580 sqft · $911/sqft · 28 DOM
Sold · Jun ’26$1,950,000
545 SANCTUARY DRIVE UNIT B806 · same community
3 bd · 2.5 ba · 2,375 sqft · $821/sqft · 304 DOM
Sold · Jul ’26$1,725,000
545 SANCTUARY DRIVE UNIT B506 · same community
3 bd · 2.5 ba · 2,375 sqft · $726/sqft · 160 DOM
Closed-sale data from the MLS, last 12 months, selected for similarity in size and location. No two homes are identical — ask us for a full comparative analysis.
Your home team
The pros in your corner
Buying a home is two conversations — the home and the money. Here’s who handles each, side by side, already working together.
Your agent
Cindy Fernandez
REALTOR® · CENTURY 21 Edge
Tours, negotiation, and every question about 545 SANCTUARY DRIVE UNIT B305 — start here.
Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 545 SANCTUARY DRIVE UNIT B305 — before you fall in love.
See it in person
Schedule a tour
Live availability from Cindy's calendar — pick a time and it's booked. Confirmation lands in your inbox immediately.
Straight answers
545 SANCTUARY DRIVE UNIT B305 FAQs
What would the monthly payment be for 545 SANCTUARY DRIVE UNIT B305?+
With 10% down on a 30-year Conventional loan at 6%, the all-in payment lands around $14,389/mo — principal and interest, the actual property-tax bill and typical Florida insurance. The payment calculator on this page lets you switch loan type (FHA, Conventional, VA) and adjust the down payment, rate and term.
What are the property taxes on 545 SANCTUARY DRIVE UNIT B305?+
The most recent tax bill on record (2025) was $25,314. A new owner's bill can differ once the sale price resets the assessed value — we can walk you through what to expect.
Are pets allowed at 545 SANCTUARY DRIVE UNIT B305?+
The listing reports pets: Yes. Communities often layer on breed or weight rules — we'll verify the specifics with the association before you commit.
How does the price compare to other homes in Longboat Key?+
At $2,100,000, this home is listed about 121% above the Longboat Key median of $950,000. The market section on this page shows how the area is trending.
Which schools are assigned to 545 SANCTUARY DRIVE UNIT B305?+
Booker High School (high), Southside Elementary School (elementary), Booker Middle School (middle) — Sarasota County School District. Always verify school assignments with the district before relying on them.
The brief
Four things that matter here
01Positioned at the premium end
$2,100,000 runs 234% above the LONGBOAT KEY 34228 median — but at 2,580 sqft it's also 72% larger than the typical Longboat Key listing.
02Waterfront living
This home sits directly on the water — the single scarcest feature in Florida inventory and the strongest long-term value anchor.
03Strong assigned schools
Booker High School, Southside Elementary School, Booker Middle School — Southside Elementary School rates 5 of 5. Always verify assignments with the district.
04The price has already moved
Listed at $2,495,000, now $2,100,000 — a $395K cut. The full history is in the market section below.
Keep looking
Similar homes nearby
Listing courtesy of MICHAEL SAUNDERS & COMPANY · Maruta Miluns. MLS #A4681142.
IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by Stellar MLS.
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